<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>cloneNode</title>
    </head>
    <body>
        <div id="main">
            <div id="div-0">
                <span>Cloud018 said, </span>
                <span>"Hello World!!!"</span>
            </div>
        </div>
        <hr>
        <button id="myid" onclick="sayHi()">
            this is my div
        </button>
        <script type="text/javascript" src="cloneNode.js"></script>
    </body>
</html>